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公开(公告)号：US20240001551A1
公开(公告)日：2024-01-04
申请号：US18204509
申请日：2023-06-01
Applicant: Worcester Polytechnic Institute
Inventor： Jing Xiao , Shichen Cao , Huitan Mao
CPC classification number: B25J9/1664 , B25J13/085 , B25J9/1653 , B25J9/1661
Abstract: A 6-axis robot performs autonomous complex assembly based on a task-independent approach by directing a robotic member on a first approach trajectory for placement of a grasped object, and determining that placement along the first trajectory is blocked. The robotic member has an end-effector at a distal end configured for compressively grasping the object. Blockage is determined by force and torque sensing encountered by the end effector prior to attaining an intended pose or position. The robot identifies a second, alternate approach trajectory for placement of the grasped object based on a probability of success of the second approach trajectory, resulting from considering probabilities of candidate trajectories or positions. The robotic member continues iterative placement based on successive, alternate trajectories until placement is achieved. The robot attempts a successive placement around localized positions/trajectories in response to increased probabilities and decreased distance/error from the desired pose.
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公开(公告)号：US20230397583A1
公开(公告)日：2023-12-14
申请号：US18209625
申请日：2023-06-14
Applicant: Worcester Polytechnic Institute
Inventor： Slater Campbell , Abigail Leonardi , Mark Gagliardi
Abstract: A delayed release device for a buoy engaged with an underwater lobster trap operates with a first magnet securing a buoy, such that the buoy is tethered to a deployed lobster trap submerged in lobster harvesting regions of the ocean. A second magnet secures the first magnet based on a magnetic field, and a displacement actuator is in communication with the second magnet for retracting the magnet in response to a predetermined condition. Based on the condition, such as a time delay, the actuator moves the second magnet distal from the first magnet for releasing the buoy when the distance reduces the magnetic field sufficiently. The actuator may include a drive screw having a threaded engagement with the second magnet, such that the drive screw is responsive to rotation for retracting the second magnet.
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公开(公告)号：US20230380670A1
公开(公告)日：2023-11-30
申请号：US18201534
申请日：2023-05-24
Inventor： FARID TAVAKKOLMOGHADDAM , ZHANYUE ZHAO , ANNE GU , AVNISH SACHAR , CHRISTOPHER J. NYCZ , BRYAN ALLEN CLARK , PARIS MARKS SAINT-PREUX
IPC: A61B1/00
CPC classification number: A61B1/0016 , A61B1/00149 , A61B1/0004 , A61B1/0014 , A61B2034/301
Abstract: A surgical system for use with a surgical robot may include an endoscope including a handle and an elongate shaft extending distally from the handle, an attachment mechanism including a fixture configured to receive the handle of the endoscope and a mounting structure configured to attach the fixture to the surgical robot, a motorized introducer apparatus spaced apart from the surgical robot and configured to translate the elongate shaft of the endoscope relative to a patient, and an input device configured to be operated using one hand only. The input device may include a plurality of tactile buttons operable using the one hand, and a joystick configured for operation by a thumb of the one hand. The input device may include a plurality of motion sensors configured to determine position and orientation of the input device in space.
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公开(公告)号：US11801436B2
公开(公告)日：2023-10-31
申请号：US17499052
申请日：2021-10-12
Applicant: Worcester Polytechnic institute
Inventor： Christopher A. Brown , Madison M. Healey , Matthew Newell , Kendra S. O'Malley , Connor H. O'Neill
IPC: A63C9/00
CPC classification number: A63C9/003 , A63C9/007 , A63C2203/20
Abstract: An impact absorbing ski binding interface device includes an elongated top plate having a toe end and a heel end adapted to engage a boot toe and a boot heel, respectively, and a bottom plate adapted to engage a ski, thereby securing the device between the boot and ski. A plurality of constant force spring linkages between the top plate and the bottom plate include a constant force spring linkage between the toe end and the bottom plate, and a constant force spring linkage between the heel end and the bottom plate, such that each of the constant force spring linkages have an opposed pair of deformable members for exerting a counterforce to vertical displacement forces between the top plate and the bottom plate for load mitigation.
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305.发明授权公开(公告)号：US11773500B2
公开(公告)日：2023-10-03
申请号：US16944147
申请日：2020-07-31
Applicant: Worcester Polytechnic Institute
Inventor： Adam Clayton Powell, IV , David Dussault , Matthew Earlam , Aaron Tajima , Connor Raymes
CPC classification number: C25C3/04 , B01D1/0082 , B01D1/26 , B01D5/006 , C22B26/22
Abstract: Method and apparatus are provided for efficient metal distillation, and for related primary product process. Vertically stacked and gravity-driven evaporators and condensers are employed to distill metals, such metals having different volatilities. A multiple-effect thermal system of magnesium and other volatile metals is used to efficiently distill and separate metals from multiple metal alloys.
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Patent Agency Ranking
公开(公告)号：US11773331B2
公开(公告)日：2023-10-03
申请号：US17713818
申请日：2022-04-05
Applicant: Worcester Polytechnic Institute
Inventor： Michael T. Timko , Geoffrey A. Tompsett , Azadeh Zaker
CPC classification number: C10G1/086 , C10G1/065 , C10G1/083 , C10G2300/805
Abstract: Methods are described herein for upgrading ad refining hydrocarbons, and producing at least one petrochemical product, the method including: preparing a reaction mixture by adding at least two of: a quantity of bioethanol, a quantity of hydrocarbon, and a quantity of water to a reactor containment; combining the reaction mixture with a quantity of catalyst in the reactor containment; applying reaction conditions to the reactor containment thereby generating supercritical conditions for the reaction mixture and obtaining a product mixture; and extracting at least one petrochemical product from the product mixture.
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公开(公告)号：US20230301510A1
公开(公告)日：2023-09-28
申请号：US18125823
申请日：2023-03-24
Applicant: Worcester Polytechnic Institute
Inventor： Haichong Zhang , Yu Chen , Xihan Ma
Abstract: A robotically driven OCT scanning and imaging system provides a 3-dimensional (3D) image rendering based on a 2-dimensional (2D) surface traversal of a Region of Interest (ROI) for immediate depiction of tissue health with an accuracy and portability not available with conventional imaging approaches. A comprehensive scan over the surface of the ROI ensures complete coverage, and a signal indicative of attenuation of the optical scan indicates penetration of the OCT stimulus. The received signal for each location is aggregated, or “stitched” together with the signal received from adjacent locations to provide a full mapping of the scanned region, and rendered as a color or shading map for showing anomalies or sudden variances in tissue health.
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公开(公告)号：US20230285636A1
公开(公告)日：2023-09-14
申请号：US17968476
申请日：2022-10-18
Inventor： Eben Alsberg , Anna D. Dikina , Marsha W. Rolle
CPC classification number: A61L27/3882 , A61L27/3804 , A61L27/54 , C12N5/0075 , A61L2300/414 , A61L2300/602 , A61L2300/62 , A61L2400/12 , A61L2430/22 , C12N2513/00 , C12N2531/00
Abstract: A modular engineered tissue construct includes a plurality of fused self-assembled, scaffold-free, high-density cell aggregates. At least one cell aggregate includes a plurality of cells and a plurality of biocompatible and biodegradable nanoparticles and/or microparticles that are incorporated within the cell aggregates. The nanoparticles and/or microparticles acting as a bulking agent within the cell aggregate to increase the cell aggregate size and/or thickness and improve the mechanical properties of the cell aggregate as well as to deliver bioactive agents.
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公开(公告)号：US20230198040A1
公开(公告)日：2023-06-22
申请号：US18113130
申请日：2023-02-23
Applicant: Worcester Polytechnic Institute , Ascend Elements, Inc.
Inventor： Yan Wang , Diran Apelian , Haiyang Zou
CPC classification number: H01M10/54 , C22B23/0438 , C22B23/0423 , C22B26/22 , C22B23/043 , C22B1/24 , C22B7/007
Abstract: Cathode material from exhausted lithium ion batteries are dissolved in a solution for extracting the useful elements Co (cobalt), Ni (nickel), Al (Aluminum) and Mn (manganese) to produce active cathode materials for new batteries. The solution includes compounds of desirable materials such as cobalt, nickel, aluminum and manganese dissolved as compounds from the exhausted cathode material of spent cells. Depending on a desired proportion, or ratio, of the desired materials, raw materials are added to the solution to achieve the desired ratio of the commingled compounds for the recycled cathode material for new cells. The desired materials precipitate out of solution without extensive heating or separation of the desired materials into individual compounds or elements. The resulting active cathode material has the predetermined ratio for use in new cells, and avoids high heat typically required to separate the useful elements because the desired materials remain commingled in solution.
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公开(公告)号：US20230181177A1
公开(公告)日：2023-06-15
申请号：US18065549
申请日：2022-12-13
Inventor： David M. Harlan , Yihao Zheng , Sambra D. Redick , Katerina Angjeli , Sally C. Kent
CPC classification number: A61B10/0266 , B23B31/20
Abstract: Described are a micro punch cutting tool and associated method that can be used under a microscope to accurately excise a targeted piece of material on a micron or millimeter scale. An example device for targeted material excision from a tissue sample includes a support defining an opening and providing a region below the opening for positioning a tissue sample. A tissue stabilizer is receivable in the opening and defines a shape that complements a shape of the support. A cutting tool assembly receivable in the tissue stabilizer includes a hollow cutter having a bore and is movable relative to the tissue stabilizer to cause the cutter to excise material from the tissue sample when the tissue sample is positioned below the opening of the support. Movement of the cutting tool assembly is guided by a helical groove in the tissue stabilizer engaging a protrusion of the cutting tool assembly.
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